2) Given the following data for graphite and diamond at 298K.                          S°(diamond) =      0.58 cal/mole deg                           S°(graphite) =      1.37 cal/mole deg         DHf° CO2(from graphite) =   -94.48 kilocalories/mole        DHf° CO2(from diamond) =   -94.03 kilocalories/mole R in calories = 1.986 calories mol -1 K-1 Consider the change: C(graphite) → C(diamond)        at 298K and 1 atmosphere.   (a)   What are the values of DS° and DH° for the conversion of graphite to diamond? (b)   Perform a calculation to show whether it is thermodynamically feasible to produce diamond from graphite at 298K and 1 atmosphere. (c)   For the reaction, calculate the equilibrium constant Keq at 298K     Please answer A, B, and C. Thank you

Q: 3) C₂H₂(g) + 2 H₂(g) → C₂H6(g) (bon coinlatino Information about the substances involved in the…

A: Heat of formation is defined the enthalpy change when 1 mol of a compound is formed from its…

Q: Determine AG for the phase change N2 + 3H2->2 NH3 at 25°C. AH° =-80 kJ/mol, AS = +100 J/mol· K.

A: Interpretation -  To determine the ∆G for the phase change for the given reaction N2    +    3H2…

Q: For 2-methylbutane, the AH° of vaporization is 25.22 kJ/mol and the AS° of vaporization is 84.48…

A: In this question, we want to determine the ∆G° of Vaporization. How we can calculate it's value, you…

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A: Specific heat capacity is defined as the amount of heat energy required to raise the temperature of…

Q: For the melting of aluminum, Al(s) →AI(I), AH° = 10.0 kJ mol-¹ and AS° = 9.50 J/mol K. Calculate the…

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Q: The following information is given for benzene, C6H6, at 1 atm: AHvap(80.1 °C) AHfus (5.50 °C) =…

A: We know, condensation is the exact opposite process of vaporization.  So, ∆Hvap = –∆Hcond Where,…

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Q: Which of the following statement/s is/are correct? (A) The quantity AH is dependent on the pathway…

A: A) the quantity ∆H is dependent on the pathway to which this value is computed.

Q: If ΔH° = 280 kJ/mol and ΔS° = 258 J/mol · K, above (>) or below (' (greater than) or '67)

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Q: The Unknown Liquid is Ethanol (CH3CH2OH). The "accepted" Heat of Vaporization (∆Hvap) can be…

A: GivenUnknown Liquid = EthanolHeat of Formation∆Hf0(Ethanol, Liquid ) = -277.7…

Q: 15 g of solid MgCl2 is mixed with 30 g of water in a calorimeter that absorbs no heat. Which…

A: The problem involves a calorimetry calculation. Calorimetry is the science of measuring the heat of…

Q: Calculate the final temperature of 100.0 mL of water (d=1.00 g/mL) at 19.0°C [p = 75.3 J/mol.°C)]…

A:

Q: 45°C

A: At boiling point,  □SSystem =- □Ssurrounding  So, □SSystem= = -93•0 J/K □HSystem = -30•9 kJ

Q: The standard enthalpy of formation for compound A is 12.0 kJ/mol at 25.0 'C. The standard enthalpy…

A: Enthalpy of the reaction at temp 75° C = ? Temperature T1 = 25°C = 298 K Temperature T2 = 75°C = 348…

Q: The formation of methanol (CH3OH) is important to the processing of new fuels. At 25.°C, Kp = 22,389…

A: At Temperature , T1 = 25°C Kp =22389 ∆H°rxn =-123.0 KJ/mol=-123000 J/mol (1 KJ=1000 J) Temperature ,…

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Q: The following questions refer to the reaction below. N2(g) + O2(g) - 2 NO(g) AH° = 181.8 kJ 1. This…

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Q: C(s, diamond) --> C(s,graphite) deltaH (C s, diamond) = 1.9 kJ/mol; deltaS(C diamond) = 2.38 J/molK…

A: Answer: Relation between Gibbs free energy change, enthalpy change and entropy change is shown…

Q: Calculate AH for the process in which 50.0 mL of water is converted from liquid at 15.0 °C to vapor…

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Q: Given the following information, calculate the energy (in kcal) required to convert one ic cube that…

A: Mass of ice = 36 g Initial temperature = -18oC Final temperature = 37oC Number of moles of ice = 36g…

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A: Given The system is at equilibrium

Q: Consider the vaporization process for carbon disulfide: CS₂ (1) →→→→CS₂(g) The boiling point of CS₂…

A: Given the vaporization process for carbon disulfide:    CS2(l)CS2(g) Boiling point of CS2  = 315.7…

Q: Describe any patterns observed in ΔH for the chloride salts. Is there a periodic trend in DH for the…

A: To describe a relation ship in the enthalpy of dissolution of the chloride salts given the following…

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Q: Constants I Periodic Table At 1000. K, AHŞ = -123.77 kJ - mol- for the reaction N2(g) + 3H2(g) →…

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Q: Suppose 1.000 mol HgO(s) was placed in a tight, otherwise empty vessel, heated to 600 K, and kept…

A: Equilibrium constant in terms of pressure is defined as the product of partial pressures of products…

Q: 7-Given the following data for graphite and diamond at 298K. S°(diamond) = 0.58 cal/mole deg %3D…

A: Given that, CO2 → C(dia)+O2         ∆H=+94.03 kcal/molC(graph)+O2 → CO2       ∆H=-94.48…

Q: At 1.00 atm, water boils at 100oC (373 K). In Denver, Colorado, water boils at about 94oC (367 K).…

A: For all the liquids , when temperature increases there is increase in pressure as well. That…

Q: Which of the following substances are in their standard state? a. 02(g) b. Br2(g) c. N(g) d. H2O(s)

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Q: Calcium carbonate can decompose into calcium oxide and carbon dioxide: CaCO3(s) 2 CaO(s) + CO2(g) AH…

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Q: A mixture of 7.8 mol of H₂ (g) and 3.9 mol of O₂ (g) is placed in a sealed evacuated container made…

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Q: THERMODYNAMICS: Use the given standard enthalpies of formation to calculate the AH° (in kJ) for the…

A: Given, the chemical reaction as follows,2X2D(g)+3M2(g)→2X2M(l)+2DM2(g)the standard enthalpies of…

Q: normal boiling poim

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Q: The balanced equation for the reaction of ethanol and oxygen is the following. 2 C₂H5OH(g) + 6 O₂(g)…

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Q: Calculate AH° for the process ½ N2(g) + ½ O2(g)→ NO(g) from the following information AH° = -192.3…

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Q: Matter can change from one physical state (phase) to another without any change in chemical…

A: For each phase change, determine the sign of ΔPCH and ΔPCS. Use ΔH<0, ΔH>0, ΔS<0 and…

Q: How many kilojoules (to 3 s.f.) of energy is required to heat 90.0 g H₂O (5.00 moles) from solid ice…

A: we will calculate required heat by three steps------1. Heat required for temperature change of ice…

Q: Consider the process A(I) → A(g) 72°C 153°C, which is carried out at constant pressure. The total AS…

A: Given :

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Q: 18. How much heat is required to convert 25.6 g of liquid benzene (C6H6) at 45.0 C to gaseous…

A: GivenWeight of liquid benzene = 25.6 gInitial temperature = 45.0 0C = T1Final temeperature = 100.0…

Q: AU = 0 for any isothermal process.

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Q: 3. What would be the equilibrium temperature if you drop 5.0 g of brass (Cp = 0.38 J/g-°C, initially…

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Q: The gas butane, C4H10(g), can be used in welding. When butane is burned in oxygen, the reaction is:…

A: Chemical equation :

Q: 11 Calculate the AG in kJ of the following reaction: NO2 (g) + SO2 (g) --> NO (g) + SO3 (g) Given…

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Q: Calculate AH for the process in which 10.0 mL of water is converted from liquid at 5.0 °C to vapor…

A: The quantities which come across during the scientific studies are named as physical quantities. The…